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Index » Regional/Local » Elsewhere » Science in the News Page: Previous  1, 2, 3, 4, 5, 6, 7, 8, 9, 10  Next
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hippiechick

hippiechick Avatar

Location: topsy turvy land
Gender: Female


Posted: Jan 28, 2012 - 11:41am

 romeotuma wrote:


Low IQ & Conservative Beliefs Linked to Prejudice

by Stephanie Pappas
LiveScience
January 26, 2012

There's no gentle way to put it: People who give in to racism and prejudice may simply be dumb, according to a new study that is bound to stir public controversy...



 
I've heard it said that people who support conservatives are one S or the other: Stupid or Solvent.  Maybe. I think it's more like ignorance.

For example, my uncle was a jailhouse cop in Cleveland, and he hated black people, because all he saw were the very dregs of society.

hobiejoe

hobiejoe Avatar

Location: Still in the tunnel, looking for the light.
Gender: Male


Posted: Jan 10, 2012 - 9:33am

 aflanigan wrote:


You got the joke wrong.

"Neutrino steps up to the bar.

Bartender can't see him yet, so neutrino, thinking he's being ignored, leaves in a huff (at 1.8c).

Bartender then says, "we don't serve neutrinos here", and everybody laughs at the bartender because the neutrino had already left."

 
Ideally you should have posted this before beaker posted the joke.

aflanigan

aflanigan Avatar

Location: At Sea
Gender: Male


Posted: Jan 10, 2012 - 9:29am

 Beaker wrote:

Wow.

“We don’t allow faster-than-light neutrinos in here,” says the bartender.
A neutrino walks into a bar. 

 

You got the joke wrong.

"Neutrino steps up to the bar.

Bartender can't see him yet, so neutrino, thinking he's being ignored, leaves in a huff (at 1.8c).

Bartender then says, "we don't serve neutrinos here", and everybody laughs at the bartender because the neutrino had already left."


hippiechick

hippiechick Avatar

Location: topsy turvy land
Gender: Female


Posted: Jan 10, 2012 - 7:47am

"Time Cloak" Created; Can Make Events Disappear


islander

islander Avatar

Location: Seattle
Gender: Male


Posted: Nov 18, 2011 - 9:01am

 geordiezimmerman wrote: 


In this house we obey the laws of physics < /Homer >
cc_rider

cc_rider Avatar

Location: Bastrop
Gender: Male


Posted: Nov 18, 2011 - 8:36am

 geordiezimmerman wrote: 
Engage...

geordiezimmerman

geordiezimmerman Avatar

Gender: Male


Posted: Nov 18, 2011 - 6:12am

Test Breaks Light Speed Again
miamizsun

miamizsun Avatar

Location: (3283.1 Miles SE of RP)
Gender: Male


Posted: Oct 31, 2011 - 6:45pm





Red_Dragon

Red_Dragon Avatar

Location: Dumbf*ckistan


Posted: Aug 18, 2011 - 10:39am

one step closer to SKYNET...
aflanigan

aflanigan Avatar

Location: At Sea
Gender: Male


Posted: Aug 11, 2011 - 9:09am

"HUGE" RESULTS RAISE HOPE FOR CANCER BREAKTHROUGH
justlistening

justlistening Avatar

Location: So. California
Gender: Male


Posted: May 31, 2011 - 3:45pm

THEN:

Robot to explore mysterious tunnels in Great Pyramid

For 4,500 years, no one has known what lies beyond two stone doors deep inside the monument
By Andrew Johnson


NOW:
Hidden no more: Pyramid findings rock the Web


Red_Dragon

Red_Dragon Avatar

Location: Dumbf*ckistan


Posted: May 30, 2011 - 7:43pm

 beamends wrote:

Or coffee.
 

Red_Dragon

Red_Dragon Avatar

Location: Dumbf*ckistan


Posted: May 30, 2011 - 7:42pm

 helenofjoy wrote:
This made my face hurt.

 
yes.
jadewahoo

jadewahoo Avatar

Location: Puerto Viejo, Costa Rica
Gender: Male


Posted: May 30, 2011 - 6:55pm

 beamends wrote:

Or coffee.
 
{#Roflol}

beamends

beamends Avatar



Posted: May 30, 2011 - 3:26pm

 oldslabsides wrote:

I bet this makes a wave, too

 

 
Or coffee.

Lazy8

Lazy8 Avatar

Location: The Gallatin Valley of Montana
Gender: Male


Posted: May 30, 2011 - 3:23pm

 helenofjoy wrote:
This made my face hurt.

I forgot to mention: point the knife away from your face!

helenofjoy

helenofjoy Avatar

Location: Lincoln, Nebraska
Gender: Female


Posted: May 30, 2011 - 3:22pm

 Lazy8 wrote:
 oldslabsides wrote:
now wait a minute...

What if this were filmed from above the trombone?  Or from beneath; would the "shockwave" still be in the shape of an arc?  Something about the perspective here just doesn't seem real to me.

Yes. Shockwaves are a finite thickness, and what you see is the light bending as it passes thru the shockwave. From the side the light passes thru more of the shockwave along the leading surface of the shock than is does behind the leading surface on its way to you, so you see it in profile.

Here's a way to think about it that might help: hold an imaginary half of a pumpkin in your hand with the guts all scooped out. It's a pretty much a uniform thickness. Now imagine you have a long pumpkin-carving knife you can poke thru the pumpkin, and poke it thru near the open end of the pumpkin, all the way across.

It goes thru nearly perpendicular to the outer surface, which penetrates nearly the minimum amount of pumpkin possible while still getting thru both sides. Now poke it thru sideways across the bottom of the pumpkin. Since it goes thru the wall at a shallower angle it goes thru more pumpkin on its way out the other side. Poke it thru low enough and its whole trip thru will be inside the wall of the pumpkin. A ray of light taking that path will see the maximum amount of distortion from the differential index of refraction of the shock wave—not because it spent more time in the different index, but because it had farther to go before its path straightened out again when it reached undisturbed air on the other side.

So rays of light along the leading surface of the shock will appear to show it in cross-section.
  This made my face hurt.


Lazy8

Lazy8 Avatar

Location: The Gallatin Valley of Montana
Gender: Male


Posted: May 30, 2011 - 3:16pm

 oldslabsides wrote:
now wait a minute...

What if this were filmed from above the trombone?  Or from beneath; would the "shockwave" still be in the shape of an arc?  Something about the perspective here just doesn't seem real to me.

Yes. Shockwaves are a finite thickness, and what you see is the light bending as it passes thru the shockwave. From the side the light passes thru more of the shockwave along the leading surface of the shock than is does behind the leading surface on its way to you, so you see it in profile.

Here's a way to think about it that might help: hold an imaginary half of a pumpkin in your hand with the guts all scooped out. It's a pretty much a uniform thickness. Now imagine you have a long pumpkin-carving knife you can poke thru the pumpkin, and poke it thru near the open end of the pumpkin, all the way across.

It goes thru nearly perpendicular to the outer surface, which penetrates nearly the minimum amount of pumpkin possible while still getting thru both sides. Now poke it thru sideways across the bottom of the pumpkin. Since it goes thru the wall at a shallower angle it goes thru more pumpkin on its way out the other side. Poke it thru low enough and its whole trip thru will be inside the wall of the pumpkin. A ray of light taking that path will see the maximum amount of distortion from the differential index of refraction of the shock wave—not because it spent more time in the different index, but because it had farther to go before its path straightened out again when it reached undisturbed air on the other side.

So rays of light along the leading surface of the shock will appear to show it in cross-section.

Red_Dragon

Red_Dragon Avatar

Location: Dumbf*ckistan


Posted: May 30, 2011 - 8:13am

 ptooey wrote:

We're a little short on brass instruments, actually.  I've got 2 guitars, a drum set, a piano, and a harmonica (oh, and I'm expecting a ukulele on Thursday .)  The kids have an accordion and a cello. 
 
I bet this makes a wave, too

 
ptooey

ptooey Avatar

Location: right behind you. no, over there.
Gender: Male


Posted: May 30, 2011 - 8:05am

 NoEnzLefttoSplit wrote:


Yeah, but what about the trombone?

 
We're a little short on brass instruments, actually.  I've got 2 guitars, a drum set, a piano, and a harmonica (oh, and I'm expecting a ukulele on Thursday .)  The kids have an accordion and a cello. 

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